schemas: add bootloader schema yaml

data/schemas/bootloader-schema.yaml

@@ -0,0 +1,16 @@
+%YAML 1.2
+---
+type: map
+mapping:
+    efiBootLoader: { type: str, required: yes }
+    kernel:  { type: str, required: yes }
+    img:  { type: str, required: yes }
+    fallback:  { type: str, required: yes }
+    timeout:  { type: str, required: yes }
+    bootloaderEntryName:  { type: str }
+    kernelLine:  { type: str, required: yes }
+    fallbackKernelLine:  { type: str, required: yes }
+    grubInstall:  { type: str, required: yes }
+    grubMkconfig:  { type: str, required: yes }
+    grubCfg:  { type: str, required: yes }
+    efiBootloaderId:  { type: str }